diff --git a/sys/sparc64/sparc64/bus_machdep.c b/sys/sparc64/sparc64/bus_machdep.c
index 4aa045eb3c8..e4eea402a55 100644
--- a/sys/sparc64/sparc64/bus_machdep.c
+++ b/sys/sparc64/sparc64/bus_machdep.c
@@ -647,7 +647,7 @@ nexus_dmamem_free(bus_dma_tag_t pdmat, bus_dma_tag_t ddmat, void *vaddr,
 {
 
 	sparc64_dmamem_free_map(ddmat, map);
-	if ((size <= PAGE_SIZE))
+	if ((ddmat->dt_maxsize <= PAGE_SIZE))
 		free(vaddr, M_DEVBUF);
 	else {
 		mtx_lock(&Giant);
diff --git a/sys/sparc64/sparc64/iommu.c b/sys/sparc64/sparc64/iommu.c
index c42e25d5fce..fc4c0a8a5fe 100644
--- a/sys/sparc64/sparc64/iommu.c
+++ b/sys/sparc64/sparc64/iommu.c
@@ -669,7 +669,7 @@ iommu_dvma_vallocseg(bus_dma_tag_t dt, struct iommu_state *is, bus_dmamap_t map,
 
 int
 iommu_dvmamem_alloc(bus_dma_tag_t pt, bus_dma_tag_t dt, struct iommu_state *is,
-    void **vaddr, int flags, bus_dmamap_t *mappe)
+    void **vaddr, int flags, bus_dmamap_t *mapp)
 {
 	int error;